Photo Initiator 1173 (PI 1173)

Photo Initiator 1173 is a free-radical initiator/photoinitiator used to start polymerization, enabling controlled cure in UV/EB or thermal systems.
Uses
UV-curable inks/coatings/adhesives.
Benefits
Efficient surface cure; low yellowing; liquid handling.
.dc-scroll-wrap2{
width:100%;
overflow-x:auto;
-webkit-overflow-scrolling:touch;
margin:8px 0 14px;
}
.dc-scroll-table2{
width:100%;
min-width:520px;
border-collapse:collapse;
font-family:Roboto, Arial, sans-serif;
border:1px solid #e7e7e7;
background:#fff;
}
.dc-scroll-title2{
font-family:Roboto, Arial, sans-serif;
font-size:15px;
font-weight:700;
margin:8px 0 6px;
padding-left:8px;
border-left:4px solid #01CD61;
color:#111827;
}
.dc-scroll-table2 td{
padding:7px 10px;
border-bottom:1px solid #e7e7e7;
font-size:12.5px;
line-height:1.35;
vertical-align:top;
}
.dc-scroll-table2 tr:last-child td{
border-bottom:none;
}
.dc-scroll-label2{
width:220px;
min-width:220px;
font-weight:700;
font-size:11.5px;
color:#6b7280;
text-transform:uppercase;
letter-spacing:.2px;
}
.dc-scroll-value2{
min-width:260px;
color:#111827;
}
Safety, Compliance & Notes
Thermal Conductivity
0.21W/m·K.
Electrical Conductivity
0.000000001S/cm
Heat of Formation
-210kJ/mol
Heat of Vaporization
–
Structure
C6H5-CO-CH(OH)-CH3
CAS Number
7473-98-5
EINECS Number
231-272-0
Storage & Packaging
Store cool and protected from light; keep away from reducing agents/contaminants; follow supplier limits for shelf life and temperature. (Applicable to Photo Initiator 1173 handling.)
Product Stewardship
Apply product stewardship: risk assessment, proper labeling, transport compliance, and customer communication via SDS/COA; avoid environmental release. (For Photo Initiator 1173.)
Note
Note: For Photo Initiator 1173, verify active content/assay, shelf life, and handling restrictions from the latest SDS/TDS before use.
Notice
NOTICE: Values may vary by grade and supplier; confirm specifications and hazards with current SDS/COA before use, storage, transport, or disposal. (For Photo Initiator 1173.)